Early morning. But for a man slowly walking his dachshund, the vast oval of grass and tawny-coloured gravel lies empty. Now accelerate backward to 2016. In a flurry of spotlights there’s David Gilmour, then Bruce Springsteen and the E-Street Band.

Reverse two summers earlier, Mick Jagger appears and disappears in a jumping jack flash. Another decade and in pompa triumphalis AS Roma's Francesco Totti lifts high lo Scudetto in football triumph.